Fig. 4From: Modelling clay materials used in artworks: an infrared spectroscopic investigationAmanda Marburg Giving the devil his dues 2004, oil on canvas, modelling clay on board encased in Perspex covered plinth, stretcher: 101.6 cm × 133.1 cm × 3 cm, plinth: 65 cm × 95 cm × 145 cm. Art Gallery of New South Wales. Gift of ARTAND Australia 2015. Donated through the Australian Government’s Cultural Gifts Program. © Amanda Marburg. 321.2015. Photographed by Jenni CarterBack to article page